/// <summary> /// 采购单查询点击事件 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void TSMItem_purchase_query_Click(object sender, EventArgs e) { panel_Main.Controls.Clear(); OSM_Purchase_Form purchaseForm = new OSM_Purchase_Form(); purchaseForm.setMainForm(this); panel_Main.Controls.Add(purchaseForm); }